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Ahmad Zuhairi Abdullah

Ahmad Zuhairi Abdullah

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 71 5551 5038 15 15 292 17956

Ahmad Zuhairi Abdullah publications per year

The chart shows the history of publications by Ahmad Zuhairi Abdullah between 2003 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ahmad Zuhairi Abdullah published across 24 years, from 2003 to 2026, averaging 16.7 papers a year. Output peaked at 35 publications in 2023. 26 of the 400 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2003 to 2026. Vertical axis: number of publications, 0 to 35. Peak 35 publications in 2023. 2003: 3 publications 2004: 4 publications 2005: 1 publication 2006: 5 publications 2007: 9 publications 2008: 8 publications 2009: 12 publications 2010: 29 publications 2011: 17 publications 2012: 17 publications 2013: 31 publications 2014: 23 publications 2015: 14 publications 2016: 19 publications 2017: 15 publications 2018: 16 publications 2019: 21 publications 2020: 19 publications 2021: 24 publications 2022: 29 publications 2023: 35 publications 2024: 23 publications 2025: 25 publications 2026: 1 publication
2003 2026

400 publications in total across all disciplines

View publications per year as a table
Ahmad Zuhairi Abdullah: publications per year, 2003 to 2026
Year Publications
2003 3
2004 4
2005 1
2006 5
2007 9
2008 8
2009 12
2010 29
2011 17
2012 17
2013 31
2014 23
2015 14
2016 19
2017 15
2018 16
2019 21
2020 19
2021 24
2022 29
2023 35
2024 23
2025 25
2026 1
Total 400
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Ahmad Zuhairi Abdullah publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ahmad Zuhairi Abdullah sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 281–300 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 292 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939 292
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Ahmad Zuhairi Abdullah D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ahmad Zuhairi Abdullah sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 70–71 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 71 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646 71
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Ahmad Zuhairi Abdullah is affiliated with Universiti Sains Malaysia in Malaysia. The primary area of scholarly activity centers around engineering, with a particular focus on biomedical engineering, materials chemistry, renewable energy, sustainability and the environment, water science and technology, and mechanical engineering.

The scientist's research covers several main topics including:

  • Advanced Photocatalysis Techniques
  • Catalysis for Biomass Conversion
  • Catalysis and Hydrodesulfurization Studies
  • Adsorption and biosorption for pollutant removal
  • Advanced oxidation water treatment
  • Nanomaterials for catalytic reactions
  • TiO2 Photocatalysis and Solar Cells

In terms of collaborative work, Ahmad Zuhairi Abdullah has frequently co-authored with the following researchers:

  • Mohamad Firdaus Mohamad Yusop (12 collaborations)
  • Mohd Azmier Ahmad (12 collaborations)
  • Mohamed Hussein Abdurahman (9 collaborations)
  • Yean Ling Pang (8 collaborations)
  • Steven Lim (8 collaborations)

Frequent publication venues where the scientist has contributed include:

  • SSRN Electronic Journal (9 publications)
  • AIP conference proceedings (8 publications)
  • Sport Science and Health (7 publications)
  • IOP Conference Series Earth and Environmental Science (4 publications)
  • Journal of Industrial and Engineering Chemistry (3 publications)

Recent papers authored or co-authored by Ahmad Zuhairi Abdullah focus on catalysis, photocatalytic processes, green synthesis, wastewater treatment, and sustainable chemical production. Notable papers include:

  • "A comprehensive review on sonocatalytic, photocatalytic, and sonophotocatalytic processes for the degradation of antibiotics in water: Synergistic mechanism and degradation pathway," 2020, Chemical Engineering Journal
  • "Recent development in the green synthesis of titanium dioxide nanoparticles using plant-based biomolecules for environmental and antimicrobial applications," 2021, Journal of Industrial and Engineering Chemistry
  • "A Review on the Treatment of Petroleum Refinery Wastewater Using Advanced Oxidation Processes," 2021, Catalysts
  • "A review over the role of catalysts for selective short-chain polyglycerol production from biodiesel derived waste glycerol," 2020, Environmental Technology & Innovation
  • "A review on recent developments and progress in sustainable acrolein production through catalytic dehydration of bio-renewable glycerol," 2022, Journal of Cleaner Production

Best Publications

  • Application of chitosan and its derivatives as adsorbents for dye removal from water and wastewater: a review.

    Mohammadtaghi Vakili;Mohd Rafatullah;Babak Salamatinia;Ahmad Zuhairi Abdullah

  • Adsorption of dyes by nanomaterials: Recent developments and adsorption mechanisms

    Kok Bing Tan;Mohammadtaghi Vakili;Bahman Amini Horri;Phaik Eong Poh

  • Catalytic Technology for Carbon Dioxide Reforming of Methane to Synthesis Gas

    Mun-Sing Fan;Ahmad Zuhairi Abdullah;Subhash Bhatia

  • Critical review on the current scenario and significance of crude glycerol resulting from biodiesel industry towards more sustainable renewable energy industry

    Muhammad Ayoub;Ahmad Zuhairi Abdullah

  • Recent progress on innovative and potential technologies for glycerol transformation into fuel additives: A critical review

    Norhasyimi Rahmat;Ahmad Zuhairi Abdullah;Abdul Rahman Mohamed

  • Degradation of wastewaters containing organic dyes photocatalysed by zinc oxide: a review

    Sze-Mun Lam;Jin-Chung Sin;Ahmad Zuhairi Abdullah;Abdul Rahman Mohamed

  • Impacts of trace element supplementation on the performance of anaerobic digestion process: A critical review.

    Yee Yaw Choong;Ismail Norli;Ahmad Zuhairi Abdullah;Mohd Firdaus Yhaya

  • Review on sonochemical methods in the presence of catalysts and chemical additives for treatment of organic pollutants in wastewater

    Yean Ling Pang;Ahmad Zuhairi Abdullah;Subhash Bhatia

  • A comprehensive review on sonocatalytic, photocatalytic, and sonophotocatalytic processes for the degradation of antibiotics in water: Synergistic mechanism and degradation pathway

    Mohamed Hussein Abdurahman;Ahmad Zuhairi Abdullah;Noor Fazliani Shoparwe

  • Life cycle assessment of palm biodiesel: Revealing facts and benefits for sustainability

    Kian Fei Yee;Kok Tat Tan;Ahmad Zuhairi Abdullah;Keat Teong Lee

  • ULTRASONIC-ASSISTED BIODIESEL PRODUCTION PROCESS FROM PALM OIL USING ALKALINE EARTH METAL OXIDES AS THE HETEROGENEOUS CATALYSTS

    Hamed Mootabadi;Babak Salamatinia;Subhash Bhatia;Ahmad Zuhairi Abdullah

  • Current Status of Textile Industry Wastewater Management and Research Progress in Malaysia: A Review

    Yean L. Pang;Ahmad Z. Abdullah

  • Recent development in catalytic technologies for methanol synthesis from renewable sources: A critical review

    Khozema Ahmed Ali;Ahmad Zuhairi Abdullah;Abdul Rahman Mohamed

  • Process modeling and analysis of palm oil mill effluent treatment in an up-flow anaerobic sludge fixed film bioreactor using response surface methodology (RSM).

    A.A.L. Zinatizadeh;A.R. Mohamed;A.Z. Abdullah;M.D. Mashitah

  • Utilization of greenhouse gases through carbon dioxide reforming of methane over Ni–Co/MgO–ZrO2: Preparation, characterization and activity studies

    Mun-Sing Fan;Ahmad Zuhairi Abdullah;Subhash Bhatia

  • Current status and policies on biodiesel industry in Malaysia as the world's leading producer of palm oil

    A.Z. Abdullah;B. Salamatinia;H. Mootabadi;S. Bhatia

  • Challenges in biodiesel industry with regards to feedstock, environmental, social and sustainability issues: a critical review.

    Mohd Razealy Anuar;Ahmad Zuhairi Abdullah

  • Deoxygenation of fatty acid to produce diesel-like hydrocarbons: A review of process conditions, reaction kinetics and mechanism

    Lilis Hermida;Lilis Hermida;Ahmad Zuhairi Abdullah;Abdul Rahman Mohamed

  • Dealing with the surplus of glycerol production from biodiesel industry through catalytic upgrading to polyglycerols and other value-added products

    Zahra Gholami;Ahmad Zuhairi Abdullah;Keat-Teong Lee

  • A review: Mesoporous Santa Barbara amorphous-15, types, synthesis and its applications towards biorefinery production

    Norhasyimi Rahmat;Ahmad Zuhairi Abdullah;Abdullah Rahman Mohamed

  • Fe3+ doped TiO2 nanotubes for combined adsorption–sonocatalytic degradation of real textile wastewater

    Yean Ling Pang;Ahmad Zuhairi Abdullah

  • Optimization of ultrasonic-assisted heterogeneous biodiesel production from palm oil: A response surface methodology approach

    Babak Salamatinia;Hamed Mootabadi;Subhash Bhatia;Ahmad Zuhairi Abdullah

  • Enhanced sunlight photocatalytic performance over Nb2O5/ZnO nanorod composites and the mechanism study

    Sze-Mun Lam;Jin-Chung Sin;Ichikawa Satoshi;Ahmad Zuhairi Abdullah

  • Characteristics of supported nano-TiO2/ZSM-5/silica gel (SNTZS): photocatalytic degradation of phenol.

    Nor Fauziah Zainudin;Ahmad Zuhairi Abdullah;Abdul Rahman Mohamed

  • Hydrogen production from carbon dioxide reforming of methane over Ni–Co/MgO–ZrO2 catalyst: Process optimization

    Mun-Sing Fan;Ahmad Zuhairi Abdullah;Subhash Bhatia

Frequent Co-Authors

Subhash Bhatia
Subhash Bhatia Universiti Sains Malaysia
Abdul Rahman Mohamed
Abdul Rahman Mohamed Universiti Sains Malaysia
Keat Teong Lee
Keat Teong Lee Universiti Sains Malaysia
Abdul Latif Ahmad
Abdul Latif Ahmad Universiti Sains Malaysia
Sze-Mun Lam
Sze-Mun Lam Universiti Tunku Abdul Rahman
B.H. Hameed
B.H. Hameed Qatar University
Mohd Rafatullah
Mohd Rafatullah Universiti Sains Malaysia
Ali Akbar Zinatizadeh
Ali Akbar Zinatizadeh Razi University
Siang-Piao Chai
Siang-Piao Chai Monash University
Chin Wei Lai
Chin Wei Lai University of Malaya

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